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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ### 任意精度減法運算 **位置:** Common\Common\function.php **參數:** > @param $left_value 減號左邊數 > @param $right_value 減號右邊數 > @param $decimal_places 保留小數位,默認0 **調用:** > PHP 文件調用: round_bcsub($left_value, $right_value, $decimal_places=0) **完整代碼:** ~~~ /** * 修改bcsub方法,避免直接截取小數位不四舍五入的問題 * whz 2022-09-19 * * @param Float $left_value 減號左邊數 * @param Float $right_value 減號右邊數 * @param Int $decimal_places 保留小數位,默認0 * @return Float 返回結果 */ function round_bcsub($left_value,$right_value,$decimal_places=0){ return round(bcsub($left_value,$right_value,bcadd($decimal_places,2)),$decimal_places); } ~~~
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